Two of your crankshafts had runout above 0.0016″ along with the third had a rod journal which was now ground after and destroyed. Because not one person from the aftermarket provides a B-series crankshaft within the GS-R stroke size, we looked for an answer during the LS stroke length (89mm). https://titusbtwos.blogdal.com/30025300/b16b-type-r-things-to-know-before-you-buy